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64 lines
2.7 KiB
C++
64 lines
2.7 KiB
C++
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/////////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) 2026- Equinor ASA
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//
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// ResInsight is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// ResInsight is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE.
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//
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// See the GNU General Public License at <http://www.gnu.org/licenses/gpl.html>
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// for more details.
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//
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/////////////////////////////////////////////////////////////////////////////////
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#pragma once
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#include <cstddef>
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#include <memory>
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#include <utility>
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#include <vector>
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//==================================================================================================
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//
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// Abstract base class for grid refinement specifications.
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//
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// Provides a uniform interface for querying refinement across three dimensions (I, J, K).
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// Concrete subclasses:
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// - RigNoRefinement : identity (1:1 mapping, no refinement)
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// - RigUniformRefinement : same subcell count per cell in each dimension
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// - RigNonUniformRefinement: per-cell custom cumulative fractions
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//
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//==================================================================================================
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class RigRefinement
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{
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public:
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enum Dimension : size_t
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{
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DimI = 0,
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DimJ = 1,
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DimK = 2
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};
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virtual ~RigRefinement() = default;
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virtual std::unique_ptr<RigRefinement> clone() const = 0;
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// Query methods
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virtual size_t subcellCount( Dimension dim, size_t origIndex ) const = 0;
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virtual size_t cumulativeOffset( Dimension dim, size_t origIndex ) const = 0;
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virtual size_t totalRefinedCount( Dimension dim ) const = 0;
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virtual std::pair<size_t, size_t> mapRefinedToOriginal( Dimension dim, size_t refinedIndex ) const = 0;
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virtual const std::vector<double>& cumulativeFractions( Dimension dim, size_t origIndex ) const = 0;
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virtual size_t sectorSize( Dimension dim ) const = 0;
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virtual bool hasRefinement() const = 0;
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// Static utilities shared by subclasses
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static std::vector<double> widthsToCumulativeFractions( const std::vector<double>& widths );
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static std::vector<double> generateEqualFractions( size_t subcellCount );
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static std::vector<double> generateLogarithmicWidths( size_t totalCells );
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};
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